Water-soluble hotmelt adhesive

Details Water-soluble hotmelt adhesive Water-soluble hotmelt adhesive

2005-03-22

2005-03-22

Gorr, Rachel (Department: 1711)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

C156S155000, C156S331700, C428S425100

Reexamination Certificate

active

06870006

ABSTRACT:
The present invention pertains to a water-soluble hotmelt adhesive, containing: 40 to 70% by weight of at least one homopolymer or copolymer with free carboxylic acid groups based on ethylenically unsaturated monomers (component A), 15 to 45% by weight of at least one water-soluble or water-dispersible polyurethane (component B), 10 to 45% by weight of at least one inorganic or organic base (component C), and 0 to 20% by weight of further additives (component D), wherein the sum of such components is 100% by weight. The water-soluble hotmelt adhesive is suitable for producing textile laminates, moisture-tackifiable papers and at least two-ply hygiene-papers, in particular tissue.

REFERENCES:
patent: 4129539 (1978-12-01), Fakla et al.
patent: 5821294 (1998-10-01), Perlinski
patent: WO 9959808 (1999-11-01), None

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